id:A132688 - OEIS Search Results

Search: id:A132688

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a(n) = C(2^n + 3*n, n).

+0
3

1, 5, 45, 680, 20475, 1533939, 350161812, 280384608504, 847073824772175, 9894081531608130857, 446730013630787463700695, 77328499046923986969058944720, 50891283683781760304442885961988100 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) = [x^n] 1/(1-x)^(2^n + 2*n + 1).`
	PROGRAM	`(PARI) a(n)=binomial(2^n+3*n, n)`
	CROSSREFS	`Cf. A132687, A132689.` `Sequence in context: A112940 A085356 A113382 this_sequence A155104 A050641 A112396` `Adjacent sequences: A132685 A132686 A132687 this_sequence A132689 A132690 A132691`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Aug 26 2007`

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

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